Im gonna tell you about chalking, a dyeing method that is easy and goes after washing your hair （*´ー`) It consist of chalking your hair with colors chalk. Normal chalks works, but if you want a better result, you can buy special chalks with vibrant colors, and they look really cool ♪(ﾟ▽^*)ﾉ⌒☆

Thats what I did in my hair:

It looks really cool, but the bad thing is that if you move your hair, it looks like if you had dust in it!